| 1 | /* |
| 2 | SDL - Simple DirectMedia Layer |
| 3 | Copyright (C) 1997-2009 Sam Lantinga |
| 4 | |
| 5 | This library is free software; you can redistribute it and/or |
| 6 | modify it under the terms of the GNU Library General Public |
| 7 | License as published by the Free Software Foundation; either |
| 8 | version 2 of the License, or (at your option) any later version. |
| 9 | |
| 10 | This library is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | Library General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Library General Public |
| 16 | License along with this library; if not, write to the Free |
| 17 | Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| 18 | |
| 19 | Sam Lantinga |
| 20 | slouken@libsdl.org |
| 21 | */ |
| 22 | #include "SDL_config.h" |
| 23 | |
| 24 | #include "SDL_QuartzVideo.h" |
| 25 | #include "SDL_QuartzWindow.h" |
| 26 | |
| 27 | #ifdef __powerpc__ /* I'm gambling they fixed this by 10.4. --ryan. */ |
| 28 | /* |
| 29 | Add methods to get at private members of NSScreen. |
| 30 | Since there is a bug in Apple's screen switching code |
| 31 | that does not update this variable when switching |
| 32 | to fullscreen, we'll set it manually (but only for the |
| 33 | main screen). |
| 34 | */ |
| 35 | @interface NSScreen (NSScreenAccess) |
| 36 | - (void) setFrame:(NSRect)frame; |
| 37 | @end |
| 38 | |
| 39 | @implementation NSScreen (NSScreenAccess) |
| 40 | - (void) setFrame:(NSRect)frame; |
| 41 | { |
| 42 | _frame = frame; |
| 43 | } |
| 44 | @end |
| 45 | static inline void QZ_SetFrame(NSScreen *nsscreen, NSRect frame) |
| 46 | { |
| 47 | [nsscreen setFrame:frame]; |
| 48 | } |
| 49 | #else |
| 50 | static inline void QZ_SetFrame(NSScreen *nsscreen, NSRect frame) |
| 51 | { |
| 52 | } |
| 53 | #endif |
| 54 | |
| 55 | @interface SDLTranslatorResponder : NSTextView |
| 56 | { |
| 57 | } |
| 58 | - (void) doCommandBySelector:(SEL)myselector; |
| 59 | @end |
| 60 | |
| 61 | @implementation SDLTranslatorResponder |
| 62 | - (void) doCommandBySelector:(SEL) myselector {} |
| 63 | @end |
| 64 | |
| 65 | /* absent in 10.3.9. */ |
| 66 | CG_EXTERN CGImageRef CGBitmapContextCreateImage (CGContextRef); |
| 67 | |
| 68 | /* Bootstrap functions */ |
| 69 | static int QZ_Available (); |
| 70 | static SDL_VideoDevice* QZ_CreateDevice (int device_index); |
| 71 | static void QZ_DeleteDevice (SDL_VideoDevice *device); |
| 72 | |
| 73 | /* Initialization, Query, Setup, and Redrawing functions */ |
| 74 | static int QZ_VideoInit (_THIS, SDL_PixelFormat *video_format); |
| 75 | |
| 76 | static SDL_Rect** QZ_ListModes (_THIS, SDL_PixelFormat *format, |
| 77 | Uint32 flags); |
| 78 | static void QZ_UnsetVideoMode (_THIS, BOOL to_desktop); |
| 79 | |
| 80 | static SDL_Surface* QZ_SetVideoMode (_THIS, SDL_Surface *current, |
| 81 | int width, int height, int bpp, |
| 82 | Uint32 flags); |
| 83 | static int QZ_ToggleFullScreen (_THIS, int on); |
| 84 | static int QZ_SetColors (_THIS, int first_color, |
| 85 | int num_colors, SDL_Color *colors); |
| 86 | |
| 87 | static int QZ_LockDoubleBuffer (_THIS, SDL_Surface *surface); |
| 88 | static void QZ_UnlockDoubleBuffer (_THIS, SDL_Surface *surface); |
| 89 | static int QZ_ThreadFlip (_THIS); |
| 90 | static int QZ_FlipDoubleBuffer (_THIS, SDL_Surface *surface); |
| 91 | static void QZ_DoubleBufferUpdate (_THIS, int num_rects, SDL_Rect *rects); |
| 92 | |
| 93 | static void QZ_DirectUpdate (_THIS, int num_rects, SDL_Rect *rects); |
| 94 | static void QZ_UpdateRects (_THIS, int num_rects, SDL_Rect *rects); |
| 95 | static void QZ_VideoQuit (_THIS); |
| 96 | |
| 97 | /* Hardware surface functions (for fullscreen mode only) */ |
| 98 | #if 0 /* Not used (apparently, it's really slow) */ |
| 99 | static int QZ_FillHWRect (_THIS, SDL_Surface *dst, SDL_Rect *rect, Uint32 color); |
| 100 | #endif |
| 101 | static int QZ_LockHWSurface(_THIS, SDL_Surface *surface); |
| 102 | static void QZ_UnlockHWSurface(_THIS, SDL_Surface *surface); |
| 103 | static int QZ_AllocHWSurface(_THIS, SDL_Surface *surface); |
| 104 | static void QZ_FreeHWSurface (_THIS, SDL_Surface *surface); |
| 105 | /* static int QZ_FlipHWSurface (_THIS, SDL_Surface *surface); */ |
| 106 | |
| 107 | /* Bootstrap binding, enables entry point into the driver */ |
| 108 | VideoBootStrap QZ_bootstrap = { |
| 109 | "Quartz", "Mac OS X CoreGraphics", QZ_Available, QZ_CreateDevice |
| 110 | }; |
| 111 | |
| 112 | |
| 113 | /* Bootstrap functions */ |
| 114 | static int QZ_Available () |
| 115 | { |
| 116 | return 1; |
| 117 | } |
| 118 | |
| 119 | static SDL_VideoDevice* QZ_CreateDevice (int device_index) |
| 120 | { |
| 121 | #pragma unused (device_index) |
| 122 | |
| 123 | SDL_VideoDevice *device; |
| 124 | SDL_PrivateVideoData *hidden; |
| 125 | |
| 126 | device = (SDL_VideoDevice*) SDL_malloc (sizeof (*device) ); |
| 127 | hidden = (SDL_PrivateVideoData*) SDL_malloc (sizeof (*hidden) ); |
| 128 | |
| 129 | if (device == NULL || hidden == NULL) |
| 130 | SDL_OutOfMemory (); |
| 131 | |
| 132 | SDL_memset (device, 0, sizeof (*device) ); |
| 133 | SDL_memset (hidden, 0, sizeof (*hidden) ); |
| 134 | |
| 135 | device->hidden = hidden; |
| 136 | |
| 137 | device->VideoInit = QZ_VideoInit; |
| 138 | device->ListModes = QZ_ListModes; |
| 139 | device->SetVideoMode = QZ_SetVideoMode; |
| 140 | device->ToggleFullScreen = QZ_ToggleFullScreen; |
| 141 | device->UpdateMouse = QZ_UpdateMouse; |
| 142 | device->SetColors = QZ_SetColors; |
| 143 | /* device->UpdateRects = QZ_UpdateRects; this is determined by SetVideoMode() */ |
| 144 | device->VideoQuit = QZ_VideoQuit; |
| 145 | |
| 146 | device->LockHWSurface = QZ_LockHWSurface; |
| 147 | device->UnlockHWSurface = QZ_UnlockHWSurface; |
| 148 | device->AllocHWSurface = QZ_AllocHWSurface; |
| 149 | device->FreeHWSurface = QZ_FreeHWSurface; |
| 150 | /* device->FlipHWSurface = QZ_FlipHWSurface */; |
| 151 | |
| 152 | device->SetGamma = QZ_SetGamma; |
| 153 | device->GetGamma = QZ_GetGamma; |
| 154 | device->SetGammaRamp = QZ_SetGammaRamp; |
| 155 | device->GetGammaRamp = QZ_GetGammaRamp; |
| 156 | |
| 157 | device->GL_GetProcAddress = QZ_GL_GetProcAddress; |
| 158 | device->GL_GetAttribute = QZ_GL_GetAttribute; |
| 159 | device->GL_MakeCurrent = QZ_GL_MakeCurrent; |
| 160 | device->GL_SwapBuffers = QZ_GL_SwapBuffers; |
| 161 | device->GL_LoadLibrary = QZ_GL_LoadLibrary; |
| 162 | |
| 163 | device->FreeWMCursor = QZ_FreeWMCursor; |
| 164 | device->CreateWMCursor = QZ_CreateWMCursor; |
| 165 | device->ShowWMCursor = QZ_ShowWMCursor; |
| 166 | device->WarpWMCursor = QZ_WarpWMCursor; |
| 167 | device->MoveWMCursor = QZ_MoveWMCursor; |
| 168 | device->CheckMouseMode = QZ_CheckMouseMode; |
| 169 | device->InitOSKeymap = QZ_InitOSKeymap; |
| 170 | device->PumpEvents = QZ_PumpEvents; |
| 171 | |
| 172 | device->SetCaption = QZ_SetCaption; |
| 173 | device->SetIcon = QZ_SetIcon; |
| 174 | device->IconifyWindow = QZ_IconifyWindow; |
| 175 | /*device->GetWMInfo = QZ_GetWMInfo;*/ |
| 176 | device->GrabInput = QZ_GrabInput; |
| 177 | |
| 178 | /* |
| 179 | * This is a big hassle, needing QuickDraw and QuickTime on older |
| 180 | * systems, and god knows what on 10.6, so we immediately fail here, |
| 181 | * which causes SDL to make an RGB surface and manage the YUV overlay |
| 182 | * in software. Sorry. Use SDL 1.3 if you want YUV rendering in a pixel |
| 183 | * shader. :) |
| 184 | */ |
| 185 | /*device->CreateYUVOverlay = QZ_CreateYUVOverlay;*/ |
| 186 | |
| 187 | device->free = QZ_DeleteDevice; |
| 188 | |
| 189 | return device; |
| 190 | } |
| 191 | |
| 192 | static void QZ_DeleteDevice (SDL_VideoDevice *device) |
| 193 | { |
| 194 | SDL_free (device->hidden); |
| 195 | SDL_free (device); |
| 196 | } |
| 197 | |
| 198 | static int QZ_VideoInit (_THIS, SDL_PixelFormat *video_format) |
| 199 | { |
| 200 | NSRect r = NSMakeRect(0.0, 0.0, 0.0, 0.0); |
| 201 | const char *env = NULL; |
| 202 | |
| 203 | /* Initialize the video settings; this data persists between mode switches */ |
| 204 | display_id = kCGDirectMainDisplay; |
| 205 | |
| 206 | #if 0 /* The mouse event code needs to take this into account... */ |
| 207 | env = getenv("SDL_VIDEO_FULLSCREEN_DISPLAY"); |
| 208 | if ( env ) { |
| 209 | int monitor = SDL_atoi(env); |
| 210 | CGDirectDisplayID activeDspys [3]; |
| 211 | CGDisplayCount dspyCnt; |
| 212 | CGGetActiveDisplayList (3, activeDspys, &dspyCnt); |
| 213 | if ( monitor >= 0 && monitor < dspyCnt ) { |
| 214 | display_id = activeDspys[monitor]; |
| 215 | } |
| 216 | } |
| 217 | #endif |
| 218 | |
| 219 | save_mode = CGDisplayCurrentMode (display_id); |
| 220 | mode_list = CGDisplayAvailableModes (display_id); |
| 221 | palette = CGPaletteCreateDefaultColorPalette (); |
| 222 | |
| 223 | /* Allow environment override of screensaver disable. */ |
| 224 | env = SDL_getenv("SDL_VIDEO_ALLOW_SCREENSAVER"); |
| 225 | if ( env ) { |
| 226 | allow_screensaver = SDL_atoi(env); |
| 227 | } else { |
| 228 | #ifdef SDL_VIDEO_DISABLE_SCREENSAVER |
| 229 | allow_screensaver = 0; |
| 230 | #else |
| 231 | allow_screensaver = 1; |
| 232 | #endif |
| 233 | } |
| 234 | |
| 235 | /* Gather some information that is useful to know about the display */ |
| 236 | CFNumberGetValue (CFDictionaryGetValue (save_mode, kCGDisplayBitsPerPixel), |
| 237 | kCFNumberSInt32Type, &device_bpp); |
| 238 | |
| 239 | CFNumberGetValue (CFDictionaryGetValue (save_mode, kCGDisplayWidth), |
| 240 | kCFNumberSInt32Type, &device_width); |
| 241 | |
| 242 | CFNumberGetValue (CFDictionaryGetValue (save_mode, kCGDisplayHeight), |
| 243 | kCFNumberSInt32Type, &device_height); |
| 244 | |
| 245 | /* Determine the current screen size */ |
| 246 | this->info.current_w = device_width; |
| 247 | this->info.current_h = device_height; |
| 248 | |
| 249 | /* Determine the default screen depth */ |
| 250 | video_format->BitsPerPixel = device_bpp; |
| 251 | |
| 252 | /* Set misc globals */ |
| 253 | current_grab_mode = SDL_GRAB_OFF; |
| 254 | cursor_should_be_visible = YES; |
| 255 | cursor_visible = YES; |
| 256 | current_mods = 0; |
| 257 | field_edit = [[SDLTranslatorResponder alloc] initWithFrame:r]; |
| 258 | |
| 259 | if ( Gestalt(gestaltSystemVersion, &system_version) != noErr ) |
| 260 | system_version = 0; |
| 261 | |
| 262 | /* register for sleep notifications so wake from sleep generates SDL_VIDEOEXPOSE */ |
| 263 | QZ_RegisterForSleepNotifications (this); |
| 264 | |
| 265 | /* Fill in some window manager capabilities */ |
| 266 | this->info.wm_available = 1; |
| 267 | |
| 268 | return 0; |
| 269 | } |
| 270 | |
| 271 | static SDL_Rect** QZ_ListModes (_THIS, SDL_PixelFormat *format, Uint32 flags) |
| 272 | { |
| 273 | CFIndex num_modes; |
| 274 | CFIndex i; |
| 275 | |
| 276 | int list_size = 0; |
| 277 | |
| 278 | /* Any windowed mode is acceptable */ |
| 279 | if ( (flags & SDL_FULLSCREEN) == 0 ) |
| 280 | return (SDL_Rect**)-1; |
| 281 | |
| 282 | /* Free memory from previous call, if any */ |
| 283 | if ( client_mode_list != NULL ) { |
| 284 | |
| 285 | int i; |
| 286 | |
| 287 | for (i = 0; client_mode_list[i] != NULL; i++) |
| 288 | SDL_free (client_mode_list[i]); |
| 289 | |
| 290 | SDL_free (client_mode_list); |
| 291 | client_mode_list = NULL; |
| 292 | } |
| 293 | |
| 294 | num_modes = CFArrayGetCount (mode_list); |
| 295 | |
| 296 | /* Build list of modes with the requested bpp */ |
| 297 | for (i = 0; i < num_modes; i++) { |
| 298 | |
| 299 | CFDictionaryRef onemode; |
| 300 | CFNumberRef number; |
| 301 | int bpp; |
| 302 | |
| 303 | onemode = CFArrayGetValueAtIndex (mode_list, i); |
| 304 | number = CFDictionaryGetValue (onemode, kCGDisplayBitsPerPixel); |
| 305 | CFNumberGetValue (number, kCFNumberSInt32Type, &bpp); |
| 306 | |
| 307 | if (bpp == format->BitsPerPixel) { |
| 308 | |
| 309 | int intvalue; |
| 310 | int hasMode; |
| 311 | int width, height; |
| 312 | |
| 313 | number = CFDictionaryGetValue (onemode, kCGDisplayWidth); |
| 314 | CFNumberGetValue (number, kCFNumberSInt32Type, &intvalue); |
| 315 | width = (Uint16) intvalue; |
| 316 | |
| 317 | number = CFDictionaryGetValue (onemode, kCGDisplayHeight); |
| 318 | CFNumberGetValue (number, kCFNumberSInt32Type, &intvalue); |
| 319 | height = (Uint16) intvalue; |
| 320 | |
| 321 | /* Check if mode is already in the list */ |
| 322 | { |
| 323 | int i; |
| 324 | hasMode = SDL_FALSE; |
| 325 | for (i = 0; i < list_size; i++) { |
| 326 | if (client_mode_list[i]->w == width && |
| 327 | client_mode_list[i]->h == height) { |
| 328 | hasMode = SDL_TRUE; |
| 329 | break; |
| 330 | } |
| 331 | } |
| 332 | } |
| 333 | |
| 334 | /* Grow the list and add mode to the list */ |
| 335 | if ( ! hasMode ) { |
| 336 | |
| 337 | SDL_Rect *rect; |
| 338 | |
| 339 | list_size++; |
| 340 | |
| 341 | if (client_mode_list == NULL) |
| 342 | client_mode_list = (SDL_Rect**) |
| 343 | SDL_malloc (sizeof(*client_mode_list) * (list_size+1) ); |
| 344 | else |
| 345 | client_mode_list = (SDL_Rect**) |
| 346 | SDL_realloc (client_mode_list, sizeof(*client_mode_list) * (list_size+1)); |
| 347 | |
| 348 | rect = (SDL_Rect*) SDL_malloc (sizeof(**client_mode_list)); |
| 349 | |
| 350 | if (client_mode_list == NULL || rect == NULL) { |
| 351 | SDL_OutOfMemory (); |
| 352 | return NULL; |
| 353 | } |
| 354 | |
| 355 | rect->x = rect->y = 0; |
| 356 | rect->w = width; |
| 357 | rect->h = height; |
| 358 | |
| 359 | client_mode_list[list_size-1] = rect; |
| 360 | client_mode_list[list_size] = NULL; |
| 361 | } |
| 362 | } |
| 363 | } |
| 364 | |
| 365 | /* Sort list largest to smallest (by area) */ |
| 366 | { |
| 367 | int i, j; |
| 368 | for (i = 0; i < list_size; i++) { |
| 369 | for (j = 0; j < list_size-1; j++) { |
| 370 | |
| 371 | int area1, area2; |
| 372 | area1 = client_mode_list[j]->w * client_mode_list[j]->h; |
| 373 | area2 = client_mode_list[j+1]->w * client_mode_list[j+1]->h; |
| 374 | |
| 375 | if (area1 < area2) { |
| 376 | SDL_Rect *tmp = client_mode_list[j]; |
| 377 | client_mode_list[j] = client_mode_list[j+1]; |
| 378 | client_mode_list[j+1] = tmp; |
| 379 | } |
| 380 | } |
| 381 | } |
| 382 | } |
| 383 | return client_mode_list; |
| 384 | } |
| 385 | |
| 386 | static SDL_bool QZ_WindowPosition(_THIS, int *x, int *y) |
| 387 | { |
| 388 | const char *window = getenv("SDL_VIDEO_WINDOW_POS"); |
| 389 | if ( window ) { |
| 390 | if ( sscanf(window, "%d,%d", x, y) == 2 ) { |
| 391 | return SDL_TRUE; |
| 392 | } |
| 393 | } |
| 394 | return SDL_FALSE; |
| 395 | } |
| 396 | |
| 397 | static void QZ_UnsetVideoMode (_THIS, BOOL to_desktop) |
| 398 | { |
| 399 | /* Reset values that may change between switches */ |
| 400 | this->info.blit_fill = 0; |
| 401 | this->FillHWRect = NULL; |
| 402 | this->UpdateRects = NULL; |
| 403 | this->LockHWSurface = NULL; |
| 404 | this->UnlockHWSurface = NULL; |
| 405 | |
| 406 | if (cg_context) { |
| 407 | CGContextFlush (cg_context); |
| 408 | CGContextRelease (cg_context); |
| 409 | cg_context = nil; |
| 410 | } |
| 411 | |
| 412 | /* Release fullscreen resources */ |
| 413 | if ( mode_flags & SDL_FULLSCREEN ) { |
| 414 | |
| 415 | NSRect screen_rect; |
| 416 | |
| 417 | /* Release double buffer stuff */ |
| 418 | if ( mode_flags & SDL_DOUBLEBUF) { |
| 419 | quit_thread = YES; |
| 420 | SDL_SemPost (sem1); |
| 421 | SDL_WaitThread (thread, NULL); |
| 422 | SDL_DestroySemaphore (sem1); |
| 423 | SDL_DestroySemaphore (sem2); |
| 424 | SDL_free (sw_buffers[0]); |
| 425 | } |
| 426 | |
| 427 | /* If we still have a valid window, close it. */ |
| 428 | if ( qz_window ) { |
| 429 | NSCAssert([ qz_window delegate ] == nil, @"full screen window shouldn't have a delegate"); /* if that should ever change, we'd have to release it here */ |
| 430 | [ qz_window close ]; /* includes release because [qz_window isReleasedWhenClosed] */ |
| 431 | qz_window = nil; |
| 432 | window_view = nil; |
| 433 | } |
| 434 | /* |
| 435 | Release the OpenGL context |
| 436 | Do this first to avoid trash on the display before fade |
| 437 | */ |
| 438 | if ( mode_flags & SDL_OPENGL ) { |
| 439 | |
| 440 | QZ_TearDownOpenGL (this); |
| 441 | CGLSetFullScreen (NULL); |
| 442 | } |
| 443 | if (to_desktop) { |
| 444 | ShowMenuBar (); |
| 445 | /* Restore original screen resolution/bpp */ |
| 446 | CGDisplaySwitchToMode (display_id, save_mode); |
| 447 | CGReleaseAllDisplays (); |
| 448 | /* |
| 449 | Reset the main screen's rectangle |
| 450 | See comment in QZ_SetVideoFullscreen for why we do this |
| 451 | */ |
| 452 | screen_rect = NSMakeRect(0,0,device_width,device_height); |
| 453 | QZ_SetFrame([ NSScreen mainScreen ], screen_rect); |
| 454 | } |
| 455 | } |
| 456 | /* Release window mode resources */ |
| 457 | else { |
| 458 | id delegate = [ qz_window delegate ]; |
| 459 | [ qz_window close ]; /* includes release because [qz_window isReleasedWhenClosed] */ |
| 460 | if (delegate != nil) [ delegate release ]; |
| 461 | qz_window = nil; |
| 462 | window_view = nil; |
| 463 | |
| 464 | /* Release the OpenGL context */ |
| 465 | if ( mode_flags & SDL_OPENGL ) |
| 466 | QZ_TearDownOpenGL (this); |
| 467 | } |
| 468 | |
| 469 | /* Signal successful teardown */ |
| 470 | video_set = SDL_FALSE; |
| 471 | } |
| 472 | |
| 473 | static SDL_Surface* QZ_SetVideoFullScreen (_THIS, SDL_Surface *current, int width, |
| 474 | int height, int bpp, Uint32 flags) |
| 475 | { |
| 476 | boolean_t exact_match = 0; |
| 477 | NSRect screen_rect; |
| 478 | CGError error; |
| 479 | NSRect contentRect; |
| 480 | CGDisplayFadeReservationToken fade_token = kCGDisplayFadeReservationInvalidToken; |
| 481 | |
| 482 | /* Fade to black to hide resolution-switching flicker (and garbage |
| 483 | that is displayed by a destroyed OpenGL context, if applicable) */ |
| 484 | if ( CGAcquireDisplayFadeReservation (5, &fade_token) == kCGErrorSuccess ) { |
| 485 | CGDisplayFade (fade_token, 0.3, kCGDisplayBlendNormal, kCGDisplayBlendSolidColor, 0.0, 0.0, 0.0, TRUE); |
| 486 | } |
| 487 | |
| 488 | /* Destroy any previous mode */ |
| 489 | if (video_set == SDL_TRUE) |
| 490 | QZ_UnsetVideoMode (this, FALSE); |
| 491 | |
| 492 | /* Sorry, QuickDraw was ripped out. */ |
| 493 | if (getenv("SDL_NSWindowPointer") || getenv("SDL_NSQuickDrawViewPointer")) { |
| 494 | SDL_SetError ("Embedded QuickDraw windows are no longer supported"); |
| 495 | goto ERR_NO_MATCH; |
| 496 | } |
| 497 | |
| 498 | /* See if requested mode exists */ |
| 499 | mode = CGDisplayBestModeForParameters (display_id, bpp, width, |
| 500 | height, &exact_match); |
| 501 | |
| 502 | /* Require an exact match to the requested mode */ |
| 503 | if ( ! exact_match ) { |
| 504 | SDL_SetError ("Failed to find display resolution: %dx%dx%d", width, height, bpp); |
| 505 | goto ERR_NO_MATCH; |
| 506 | } |
| 507 | |
| 508 | /* Put up the blanking window (a window above all other windows) */ |
| 509 | if (getenv ("SDL_SINGLEDISPLAY")) |
| 510 | error = CGDisplayCapture (display_id); |
| 511 | else |
| 512 | error = CGCaptureAllDisplays (); |
| 513 | |
| 514 | if ( CGDisplayNoErr != error ) { |
| 515 | SDL_SetError ("Failed capturing display"); |
| 516 | goto ERR_NO_CAPTURE; |
| 517 | } |
| 518 | |
| 519 | /* Do the physical switch */ |
| 520 | if ( CGDisplayNoErr != CGDisplaySwitchToMode (display_id, mode) ) { |
| 521 | SDL_SetError ("Failed switching display resolution"); |
| 522 | goto ERR_NO_SWITCH; |
| 523 | } |
| 524 | |
| 525 | current->pixels = (Uint32*) CGDisplayBaseAddress (display_id); |
| 526 | current->pitch = CGDisplayBytesPerRow (display_id); |
| 527 | |
| 528 | current->flags = 0; |
| 529 | current->w = width; |
| 530 | current->h = height; |
| 531 | current->flags |= SDL_FULLSCREEN; |
| 532 | current->flags |= SDL_HWSURFACE; |
| 533 | current->flags |= SDL_PREALLOC; |
| 534 | /* current->hwdata = (void *) CGDisplayGetDrawingContext (display_id); */ |
| 535 | |
| 536 | this->UpdateRects = QZ_DirectUpdate; |
| 537 | this->LockHWSurface = QZ_LockHWSurface; |
| 538 | this->UnlockHWSurface = QZ_UnlockHWSurface; |
| 539 | |
| 540 | /* Setup double-buffer emulation */ |
| 541 | if ( flags & SDL_DOUBLEBUF ) { |
| 542 | |
| 543 | /* |
| 544 | Setup a software backing store for reasonable results when |
| 545 | double buffering is requested (since a single-buffered hardware |
| 546 | surface looks hideous). |
| 547 | |
| 548 | The actual screen blit occurs in a separate thread to allow |
| 549 | other blitting while waiting on the VBL (and hence results in higher framerates). |
| 550 | */ |
| 551 | this->LockHWSurface = NULL; |
| 552 | this->UnlockHWSurface = NULL; |
| 553 | this->UpdateRects = NULL; |
| 554 | |
| 555 | current->flags |= (SDL_HWSURFACE|SDL_DOUBLEBUF); |
| 556 | this->UpdateRects = QZ_DoubleBufferUpdate; |
| 557 | this->LockHWSurface = QZ_LockDoubleBuffer; |
| 558 | this->UnlockHWSurface = QZ_UnlockDoubleBuffer; |
| 559 | this->FlipHWSurface = QZ_FlipDoubleBuffer; |
| 560 | |
| 561 | current->pixels = SDL_malloc (current->pitch * current->h * 2); |
| 562 | if (current->pixels == NULL) { |
| 563 | SDL_OutOfMemory (); |
| 564 | goto ERR_DOUBLEBUF; |
| 565 | } |
| 566 | |
| 567 | sw_buffers[0] = current->pixels; |
| 568 | sw_buffers[1] = (Uint8*)current->pixels + current->pitch * current->h; |
| 569 | |
| 570 | quit_thread = NO; |
| 571 | sem1 = SDL_CreateSemaphore (0); |
| 572 | sem2 = SDL_CreateSemaphore (1); |
| 573 | thread = SDL_CreateThread ((int (*)(void *))QZ_ThreadFlip, this); |
| 574 | } |
| 575 | |
| 576 | if ( CGDisplayCanSetPalette (display_id) ) |
| 577 | current->flags |= SDL_HWPALETTE; |
| 578 | |
| 579 | /* Check if we should recreate the window */ |
| 580 | if (qz_window == nil) { |
| 581 | /* Manually create a window, avoids having a nib file resource */ |
| 582 | qz_window = [ [ SDL_QuartzWindow alloc ] |
| 583 | initWithContentRect:contentRect |
| 584 | styleMask:0 |
| 585 | backing:NSBackingStoreBuffered |
| 586 | defer:NO ]; |
| 587 | |
| 588 | if (qz_window != nil) { |
| 589 | [ qz_window setAcceptsMouseMovedEvents:YES ]; |
| 590 | [ qz_window setViewsNeedDisplay:NO ]; |
| 591 | } |
| 592 | } |
| 593 | /* We already have a window, just change its size */ |
| 594 | else { |
| 595 | [ qz_window setContentSize:contentRect.size ]; |
| 596 | current->flags |= (SDL_NOFRAME|SDL_RESIZABLE) & mode_flags; |
| 597 | [ window_view setFrameSize:contentRect.size ]; |
| 598 | } |
| 599 | |
| 600 | /* Setup OpenGL for a fullscreen context */ |
| 601 | if (flags & SDL_OPENGL) { |
| 602 | |
| 603 | CGLError err; |
| 604 | CGLContextObj ctx; |
| 605 | |
| 606 | if ( ! QZ_SetupOpenGL (this, bpp, flags) ) { |
| 607 | goto ERR_NO_GL; |
| 608 | } |
| 609 | |
| 610 | /* Initialize the NSView and add it to our window. The presence of a valid window and |
| 611 | view allow the cursor to be changed whilst in fullscreen.*/ |
| 612 | window_view = [ [ NSView alloc ] initWithFrame:contentRect ]; |
| 613 | [ [ qz_window contentView ] addSubview:window_view ]; |
| 614 | [ window_view release ]; |
| 615 | |
| 616 | ctx = QZ_GetCGLContextObj (gl_context); |
| 617 | err = CGLSetFullScreen (ctx); |
| 618 | |
| 619 | if (err) { |
| 620 | SDL_SetError ("Error setting OpenGL fullscreen: %s", CGLErrorString(err)); |
| 621 | goto ERR_NO_GL; |
| 622 | } |
| 623 | |
| 624 | [ gl_context makeCurrentContext]; |
| 625 | |
| 626 | glClear (GL_COLOR_BUFFER_BIT); |
| 627 | |
| 628 | [ gl_context flushBuffer ]; |
| 629 | |
| 630 | current->flags |= SDL_OPENGL; |
| 631 | } |
| 632 | |
| 633 | /* If we don't hide menu bar, it will get events and interrupt the program */ |
| 634 | HideMenuBar (); |
| 635 | |
| 636 | /* Fade in again (asynchronously) */ |
| 637 | if ( fade_token != kCGDisplayFadeReservationInvalidToken ) { |
| 638 | CGDisplayFade (fade_token, 0.5, kCGDisplayBlendSolidColor, kCGDisplayBlendNormal, 0.0, 0.0, 0.0, FALSE); |
| 639 | CGReleaseDisplayFadeReservation(fade_token); |
| 640 | } |
| 641 | |
| 642 | /* |
| 643 | There is a bug in Cocoa where NSScreen doesn't synchronize |
| 644 | with CGDirectDisplay, so the main screen's frame is wrong. |
| 645 | As a result, coordinate translation produces incorrect results. |
| 646 | We can hack around this bug by setting the screen rect |
| 647 | ourselves. This hack should be removed if/when the bug is fixed. |
| 648 | */ |
| 649 | screen_rect = NSMakeRect(0,0,width,height); |
| 650 | QZ_SetFrame([ NSScreen mainScreen ], screen_rect); |
| 651 | |
| 652 | /* Save the flags to ensure correct tear-down */ |
| 653 | mode_flags = current->flags; |
| 654 | |
| 655 | /* Set app state, hide cursor if necessary, ... */ |
| 656 | QZ_DoActivate(this); |
| 657 | |
| 658 | return current; |
| 659 | |
| 660 | /* Since the blanking window covers *all* windows (even force quit) correct recovery is crucial */ |
| 661 | ERR_NO_GL: |
| 662 | ERR_DOUBLEBUF: CGDisplaySwitchToMode (display_id, save_mode); |
| 663 | ERR_NO_SWITCH: CGReleaseAllDisplays (); |
| 664 | ERR_NO_CAPTURE: |
| 665 | ERR_NO_MATCH: if ( fade_token != kCGDisplayFadeReservationInvalidToken ) { |
| 666 | CGDisplayFade (fade_token, 0.5, kCGDisplayBlendSolidColor, kCGDisplayBlendNormal, 0.0, 0.0, 0.0, FALSE); |
| 667 | CGReleaseDisplayFadeReservation (fade_token); |
| 668 | } |
| 669 | return NULL; |
| 670 | } |
| 671 | |
| 672 | static SDL_Surface* QZ_SetVideoWindowed (_THIS, SDL_Surface *current, int width, |
| 673 | int height, int *bpp, Uint32 flags) |
| 674 | { |
| 675 | unsigned int style; |
| 676 | NSRect contentRect; |
| 677 | int center_window = 1; |
| 678 | int origin_x, origin_y; |
| 679 | CGDisplayFadeReservationToken fade_token = kCGDisplayFadeReservationInvalidToken; |
| 680 | |
| 681 | current->flags = 0; |
| 682 | current->w = width; |
| 683 | current->h = height; |
| 684 | |
| 685 | contentRect = NSMakeRect (0, 0, width, height); |
| 686 | |
| 687 | /* |
| 688 | Check if we should completely destroy the previous mode |
| 689 | - If it is fullscreen |
| 690 | - If it has different noframe or resizable attribute |
| 691 | - If it is OpenGL (since gl attributes could be different) |
| 692 | - If new mode is OpenGL, but previous mode wasn't |
| 693 | */ |
| 694 | if (video_set == SDL_TRUE) { |
| 695 | if (mode_flags & SDL_FULLSCREEN) { |
| 696 | /* Fade to black to hide resolution-switching flicker (and garbage |
| 697 | that is displayed by a destroyed OpenGL context, if applicable) */ |
| 698 | if (CGAcquireDisplayFadeReservation (5, &fade_token) == kCGErrorSuccess) { |
| 699 | CGDisplayFade (fade_token, 0.3, kCGDisplayBlendNormal, kCGDisplayBlendSolidColor, 0.0, 0.0, 0.0, TRUE); |
| 700 | } |
| 701 | QZ_UnsetVideoMode (this, TRUE); |
| 702 | } |
| 703 | else if ( ((mode_flags ^ flags) & (SDL_NOFRAME|SDL_RESIZABLE)) || |
| 704 | (mode_flags & SDL_OPENGL) || |
| 705 | (flags & SDL_OPENGL) ) { |
| 706 | QZ_UnsetVideoMode (this, TRUE); |
| 707 | } |
| 708 | } |
| 709 | |
| 710 | /* Sorry, QuickDraw was ripped out. */ |
| 711 | if (getenv("SDL_NSWindowPointer") || getenv("SDL_NSQuickDrawViewPointer")) { |
| 712 | SDL_SetError ("Embedded QuickDraw windows are no longer supported"); |
| 713 | if (fade_token != kCGDisplayFadeReservationInvalidToken) { |
| 714 | CGDisplayFade (fade_token, 0.5, kCGDisplayBlendSolidColor, kCGDisplayBlendNormal, 0.0, 0.0, 0.0, FALSE); |
| 715 | CGReleaseDisplayFadeReservation (fade_token); |
| 716 | } |
| 717 | return NULL; |
| 718 | } |
| 719 | |
| 720 | /* Check if we should recreate the window */ |
| 721 | if (qz_window == nil) { |
| 722 | |
| 723 | /* Set the window style based on input flags */ |
| 724 | if ( flags & SDL_NOFRAME ) { |
| 725 | style = NSBorderlessWindowMask; |
| 726 | current->flags |= SDL_NOFRAME; |
| 727 | } else { |
| 728 | style = NSTitledWindowMask; |
| 729 | style |= (NSMiniaturizableWindowMask | NSClosableWindowMask); |
| 730 | if ( flags & SDL_RESIZABLE ) { |
| 731 | style |= NSResizableWindowMask; |
| 732 | current->flags |= SDL_RESIZABLE; |
| 733 | } |
| 734 | } |
| 735 | |
| 736 | /* Manually create a window, avoids having a nib file resource */ |
| 737 | qz_window = [ [ SDL_QuartzWindow alloc ] |
| 738 | initWithContentRect:contentRect |
| 739 | styleMask:style |
| 740 | backing:NSBackingStoreBuffered |
| 741 | defer:NO ]; |
| 742 | |
| 743 | if (qz_window == nil) { |
| 744 | SDL_SetError ("Could not create the Cocoa window"); |
| 745 | if (fade_token != kCGDisplayFadeReservationInvalidToken) { |
| 746 | CGDisplayFade (fade_token, 0.5, kCGDisplayBlendSolidColor, kCGDisplayBlendNormal, 0.0, 0.0, 0.0, FALSE); |
| 747 | CGReleaseDisplayFadeReservation (fade_token); |
| 748 | } |
| 749 | return NULL; |
| 750 | } |
| 751 | |
| 752 | /*[ qz_window setReleasedWhenClosed:YES ];*/ /* no need to set this as it's the default for NSWindows */ |
| 753 | QZ_SetCaption(this, this->wm_title, this->wm_icon); |
| 754 | [ qz_window setAcceptsMouseMovedEvents:YES ]; |
| 755 | [ qz_window setViewsNeedDisplay:NO ]; |
| 756 | |
| 757 | if ( QZ_WindowPosition(this, &origin_x, &origin_y) ) { |
| 758 | /* have to flip the Y value (NSPoint is lower left corner origin) */ |
| 759 | [ qz_window setFrameTopLeftPoint:NSMakePoint((float) origin_x, (float) (this->info.current_h - origin_y))]; |
| 760 | center_window = 0; |
| 761 | } else if ( center_window ) { |
| 762 | [ qz_window center ]; |
| 763 | } |
| 764 | |
| 765 | [ qz_window setDelegate: |
| 766 | [ [ SDL_QuartzWindowDelegate alloc ] init ] ]; |
| 767 | [ qz_window setContentView: [ [ [ SDL_QuartzView alloc ] init ] autorelease ] ]; |
| 768 | } |
| 769 | /* We already have a window, just change its size */ |
| 770 | else { |
| 771 | [ qz_window setContentSize:contentRect.size ]; |
| 772 | current->flags |= (SDL_NOFRAME|SDL_RESIZABLE) & mode_flags; |
| 773 | [ window_view setFrameSize:contentRect.size ]; |
| 774 | } |
| 775 | |
| 776 | /* For OpenGL, we bind the context to a subview */ |
| 777 | if ( flags & SDL_OPENGL ) { |
| 778 | |
| 779 | if ( ! QZ_SetupOpenGL (this, *bpp, flags) ) { |
| 780 | if (fade_token != kCGDisplayFadeReservationInvalidToken) { |
| 781 | CGDisplayFade (fade_token, 0.5, kCGDisplayBlendSolidColor, kCGDisplayBlendNormal, 0.0, 0.0, 0.0, FALSE); |
| 782 | CGReleaseDisplayFadeReservation (fade_token); |
| 783 | } |
| 784 | return NULL; |
| 785 | } |
| 786 | |
| 787 | window_view = [ [ NSView alloc ] initWithFrame:contentRect ]; |
| 788 | [ window_view setAutoresizingMask: NSViewWidthSizable | NSViewHeightSizable ]; |
| 789 | [ [ qz_window contentView ] addSubview:window_view ]; |
| 790 | [ gl_context setView: window_view ]; |
| 791 | [ window_view release ]; |
| 792 | [ gl_context makeCurrentContext]; |
| 793 | [ qz_window makeKeyAndOrderFront:nil ]; |
| 794 | current->flags |= SDL_OPENGL; |
| 795 | } |
| 796 | /* For 2D, we build a CGBitmapContext */ |
| 797 | else { |
| 798 | CGColorSpaceRef cgColorspace; |
| 799 | |
| 800 | /* Only recreate the view if it doesn't already exist */ |
| 801 | if (window_view == nil) { |
| 802 | |
| 803 | window_view = [ [ NSView alloc ] initWithFrame:contentRect ]; |
| 804 | [ window_view setAutoresizingMask: NSViewWidthSizable | NSViewHeightSizable ]; |
| 805 | [ [ qz_window contentView ] addSubview:window_view ]; |
| 806 | [ window_view release ]; |
| 807 | [ qz_window makeKeyAndOrderFront:nil ]; |
| 808 | } |
| 809 | |
| 810 | cgColorspace = CGColorSpaceCreateDeviceRGB(); |
| 811 | current->pitch = 4 * current->w; |
| 812 | current->pixels = SDL_malloc (current->h * current->pitch); |
| 813 | |
| 814 | cg_context = CGBitmapContextCreate (current->pixels, current->w, current->h, |
| 815 | 8, current->pitch, cgColorspace, |
| 816 | kCGImageAlphaNoneSkipFirst); |
| 817 | CGColorSpaceRelease (cgColorspace); |
| 818 | |
| 819 | current->flags |= SDL_SWSURFACE; |
| 820 | current->flags |= SDL_ASYNCBLIT; |
| 821 | current->hwdata = (void *) cg_context; |
| 822 | |
| 823 | this->UpdateRects = QZ_UpdateRects; |
| 824 | this->LockHWSurface = QZ_LockHWSurface; |
| 825 | this->UnlockHWSurface = QZ_UnlockHWSurface; |
| 826 | } |
| 827 | |
| 828 | /* Save flags to ensure correct teardown */ |
| 829 | mode_flags = current->flags; |
| 830 | |
| 831 | /* Fade in again (asynchronously) if we came from a fullscreen mode and faded to black */ |
| 832 | if (fade_token != kCGDisplayFadeReservationInvalidToken) { |
| 833 | CGDisplayFade (fade_token, 0.5, kCGDisplayBlendSolidColor, kCGDisplayBlendNormal, 0.0, 0.0, 0.0, FALSE); |
| 834 | CGReleaseDisplayFadeReservation (fade_token); |
| 835 | } |
| 836 | |
| 837 | return current; |
| 838 | } |
| 839 | |
| 840 | static SDL_Surface* QZ_SetVideoMode (_THIS, SDL_Surface *current, int width, |
| 841 | int height, int bpp, Uint32 flags) |
| 842 | { |
| 843 | current->flags = 0; |
| 844 | current->pixels = NULL; |
| 845 | |
| 846 | /* Setup full screen video */ |
| 847 | if ( flags & SDL_FULLSCREEN ) { |
| 848 | current = QZ_SetVideoFullScreen (this, current, width, height, bpp, flags ); |
| 849 | if (current == NULL) |
| 850 | return NULL; |
| 851 | } |
| 852 | /* Setup windowed video */ |
| 853 | else { |
| 854 | /* Force bpp to 32 */ |
| 855 | bpp = 32; |
| 856 | current = QZ_SetVideoWindowed (this, current, width, height, &bpp, flags); |
| 857 | if (current == NULL) |
| 858 | return NULL; |
| 859 | } |
| 860 | |
| 861 | /* Setup the new pixel format */ |
| 862 | { |
| 863 | int amask = 0, |
| 864 | rmask = 0, |
| 865 | gmask = 0, |
| 866 | bmask = 0; |
| 867 | |
| 868 | switch (bpp) { |
| 869 | case 16: /* (1)-5-5-5 RGB */ |
| 870 | amask = 0; |
| 871 | rmask = 0x7C00; |
| 872 | gmask = 0x03E0; |
| 873 | bmask = 0x001F; |
| 874 | break; |
| 875 | case 24: |
| 876 | SDL_SetError ("24bpp is not available"); |
| 877 | return NULL; |
| 878 | case 32: /* (8)-8-8-8 ARGB */ |
| 879 | amask = 0x00000000; |
| 880 | if ( flags & SDL_FULLSCREEN ) |
| 881 | { |
| 882 | rmask = 0x00FF0000; |
| 883 | gmask = 0x0000FF00; |
| 884 | bmask = 0x000000FF; |
| 885 | } |
| 886 | else |
| 887 | { |
| 888 | #if SDL_BYTEORDER == SDL_LIL_ENDIAN |
| 889 | rmask = 0x0000FF00; |
| 890 | gmask = 0x00FF0000; |
| 891 | bmask = 0xFF000000; |
| 892 | #else |
| 893 | rmask = 0x00FF0000; |
| 894 | gmask = 0x0000FF00; |
| 895 | bmask = 0x000000FF; |
| 896 | #endif |
| 897 | } |
| 898 | break; |
| 899 | } |
| 900 | |
| 901 | if ( ! SDL_ReallocFormat (current, bpp, |
| 902 | rmask, gmask, bmask, amask ) ) { |
| 903 | SDL_SetError ("Couldn't reallocate pixel format"); |
| 904 | return NULL; |
| 905 | } |
| 906 | } |
| 907 | |
| 908 | /* Signal successful completion (used internally) */ |
| 909 | video_set = SDL_TRUE; |
| 910 | |
| 911 | return current; |
| 912 | } |
| 913 | |
| 914 | static int QZ_ToggleFullScreen (_THIS, int on) |
| 915 | { |
| 916 | return 0; |
| 917 | } |
| 918 | |
| 919 | static int QZ_SetColors (_THIS, int first_color, int num_colors, |
| 920 | SDL_Color *colors) |
| 921 | { |
| 922 | CGTableCount index; |
| 923 | CGDeviceColor color; |
| 924 | |
| 925 | for (index = first_color; index < first_color+num_colors; index++) { |
| 926 | |
| 927 | /* Clamp colors between 0.0 and 1.0 */ |
| 928 | color.red = colors->r / 255.0; |
| 929 | color.blue = colors->b / 255.0; |
| 930 | color.green = colors->g / 255.0; |
| 931 | |
| 932 | colors++; |
| 933 | |
| 934 | CGPaletteSetColorAtIndex (palette, color, index); |
| 935 | } |
| 936 | |
| 937 | if ( CGDisplayNoErr != CGDisplaySetPalette (display_id, palette) ) |
| 938 | return 0; |
| 939 | |
| 940 | return 1; |
| 941 | } |
| 942 | |
| 943 | static int QZ_LockDoubleBuffer (_THIS, SDL_Surface *surface) |
| 944 | { |
| 945 | return 1; |
| 946 | } |
| 947 | |
| 948 | static void QZ_UnlockDoubleBuffer (_THIS, SDL_Surface *surface) |
| 949 | { |
| 950 | } |
| 951 | |
| 952 | /* The VBL delay is based on code by Ian R Ollmann's RezLib <iano@cco.caltech.edu> */ |
| 953 | static AbsoluteTime QZ_SecondsToAbsolute ( double seconds ) |
| 954 | { |
| 955 | union |
| 956 | { |
| 957 | UInt64 i; |
| 958 | Nanoseconds ns; |
| 959 | } temp; |
| 960 | |
| 961 | temp.i = seconds * 1000000000.0; |
| 962 | |
| 963 | return NanosecondsToAbsolute ( temp.ns ); |
| 964 | } |
| 965 | |
| 966 | static int QZ_ThreadFlip (_THIS) |
| 967 | { |
| 968 | Uint8 *src, *dst; |
| 969 | int skip, len, h; |
| 970 | |
| 971 | /* |
| 972 | Give this thread the highest scheduling priority possible, |
| 973 | in the hopes that it will immediately run after the VBL delay |
| 974 | */ |
| 975 | { |
| 976 | pthread_t current_thread; |
| 977 | int policy; |
| 978 | struct sched_param param; |
| 979 | |
| 980 | current_thread = pthread_self (); |
| 981 | pthread_getschedparam (current_thread, &policy, ¶m); |
| 982 | policy = SCHED_RR; |
| 983 | param.sched_priority = sched_get_priority_max (policy); |
| 984 | pthread_setschedparam (current_thread, policy, ¶m); |
| 985 | } |
| 986 | |
| 987 | while (1) { |
| 988 | |
| 989 | SDL_SemWait (sem1); |
| 990 | if (quit_thread) |
| 991 | return 0; |
| 992 | |
| 993 | /* |
| 994 | * We have to add SDL_VideoSurface->offset here, since we might be a |
| 995 | * smaller surface in the center of the framebuffer (you asked for |
| 996 | * a fullscreen resolution smaller than the hardware could supply |
| 997 | * so SDL is centering it in a bigger resolution)... |
| 998 | */ |
| 999 | dst = (Uint8 *)CGDisplayBaseAddress (display_id) + SDL_VideoSurface->offset; |
| 1000 | src = current_buffer + SDL_VideoSurface->offset; |
| 1001 | len = SDL_VideoSurface->w * SDL_VideoSurface->format->BytesPerPixel; |
| 1002 | h = SDL_VideoSurface->h; |
| 1003 | skip = SDL_VideoSurface->pitch; |
| 1004 | |
| 1005 | /* Wait for the VBL to occur (estimated since we don't have a hardware interrupt) */ |
| 1006 | { |
| 1007 | |
| 1008 | /* The VBL delay is based on Ian Ollmann's RezLib <iano@cco.caltech.edu> */ |
| 1009 | double refreshRate; |
| 1010 | double linesPerSecond; |
| 1011 | double target; |
| 1012 | double position; |
| 1013 | double adjustment; |
| 1014 | AbsoluteTime nextTime; |
| 1015 | CFNumberRef refreshRateCFNumber; |
| 1016 | |
| 1017 | refreshRateCFNumber = CFDictionaryGetValue (mode, kCGDisplayRefreshRate); |
| 1018 | if ( NULL == refreshRateCFNumber ) { |
| 1019 | SDL_SetError ("Mode has no refresh rate"); |
| 1020 | goto ERROR; |
| 1021 | } |
| 1022 | |
| 1023 | if ( 0 == CFNumberGetValue (refreshRateCFNumber, kCFNumberDoubleType, &refreshRate) ) { |
| 1024 | SDL_SetError ("Error getting refresh rate"); |
| 1025 | goto ERROR; |
| 1026 | } |
| 1027 | |
| 1028 | if ( 0 == refreshRate ) { |
| 1029 | |
| 1030 | SDL_SetError ("Display has no refresh rate, using 60hz"); |
| 1031 | |
| 1032 | /* ok, for LCD's we'll emulate a 60hz refresh, which may or may not look right */ |
| 1033 | refreshRate = 60.0; |
| 1034 | } |
| 1035 | |
| 1036 | linesPerSecond = refreshRate * h; |
| 1037 | target = h; |
| 1038 | |
| 1039 | /* Figure out the first delay so we start off about right */ |
| 1040 | position = CGDisplayBeamPosition (display_id); |
| 1041 | if (position > target) |
| 1042 | position = 0; |
| 1043 | |
| 1044 | adjustment = (target - position) / linesPerSecond; |
| 1045 | |
| 1046 | nextTime = AddAbsoluteToAbsolute (UpTime (), QZ_SecondsToAbsolute (adjustment)); |
| 1047 | |
| 1048 | MPDelayUntil (&nextTime); |
| 1049 | } |
| 1050 | |
| 1051 | |
| 1052 | /* On error, skip VBL delay */ |
| 1053 | ERROR: |
| 1054 | |
| 1055 | /* TODO: use CGContextDrawImage here too! Create two CGContextRefs the same way we |
| 1056 | create two buffers, replace current_buffer with current_context and set it |
| 1057 | appropriately in QZ_FlipDoubleBuffer. */ |
| 1058 | while ( h-- ) { |
| 1059 | |
| 1060 | SDL_memcpy (dst, src, len); |
| 1061 | src += skip; |
| 1062 | dst += skip; |
| 1063 | } |
| 1064 | |
| 1065 | /* signal flip completion */ |
| 1066 | SDL_SemPost (sem2); |
| 1067 | } |
| 1068 | |
| 1069 | return 0; |
| 1070 | } |
| 1071 | |
| 1072 | static int QZ_FlipDoubleBuffer (_THIS, SDL_Surface *surface) |
| 1073 | { |
| 1074 | /* wait for previous flip to complete */ |
| 1075 | SDL_SemWait (sem2); |
| 1076 | |
| 1077 | current_buffer = surface->pixels; |
| 1078 | |
| 1079 | if (surface->pixels == sw_buffers[0]) |
| 1080 | surface->pixels = sw_buffers[1]; |
| 1081 | else |
| 1082 | surface->pixels = sw_buffers[0]; |
| 1083 | |
| 1084 | /* signal worker thread to do the flip */ |
| 1085 | SDL_SemPost (sem1); |
| 1086 | |
| 1087 | return 0; |
| 1088 | } |
| 1089 | |
| 1090 | static void QZ_DoubleBufferUpdate (_THIS, int num_rects, SDL_Rect *rects) |
| 1091 | { |
| 1092 | /* perform a flip if someone calls updaterects on a doublebuferred surface */ |
| 1093 | this->FlipHWSurface (this, SDL_VideoSurface); |
| 1094 | } |
| 1095 | |
| 1096 | static void QZ_DirectUpdate (_THIS, int num_rects, SDL_Rect *rects) |
| 1097 | { |
| 1098 | #pragma unused(this,num_rects,rects) |
| 1099 | } |
| 1100 | |
| 1101 | |
| 1102 | /* Resize icon, BMP format */ |
| 1103 | static const unsigned char QZ_ResizeIcon[] = { |
| 1104 | 0x42,0x4d,0x31,0x02,0x00,0x00,0x00,0x00,0x00,0x00,0x36,0x00,0x00,0x00,0x28,0x00, |
| 1105 | 0x00,0x00,0x0d,0x00,0x00,0x00,0x0d,0x00,0x00,0x00,0x01,0x00,0x18,0x00,0x00,0x00, |
| 1106 | 0x00,0x00,0xfb,0x01,0x00,0x00,0x13,0x0b,0x00,0x00,0x13,0x0b,0x00,0x00,0x00,0x00, |
| 1107 | 0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff, |
| 1108 | 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff, |
| 1109 | 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x0b,0xff,0xff, |
| 1110 | 0xff,0xda,0xda,0xda,0x87,0x87,0x87,0xe8,0xe8,0xe8,0xff,0xff,0xff,0xda,0xda,0xda, |
| 1111 | 0x87,0x87,0x87,0xe8,0xe8,0xe8,0xff,0xff,0xff,0xda,0xda,0xda,0x87,0x87,0x87,0xe8, |
| 1112 | 0xe8,0xe8,0xff,0xff,0xff,0x0b,0xff,0xff,0xff,0xff,0xff,0xff,0xda,0xda,0xda,0x87, |
| 1113 | 0x87,0x87,0xe8,0xe8,0xe8,0xff,0xff,0xff,0xda,0xda,0xda,0x87,0x87,0x87,0xe8,0xe8, |
| 1114 | 0xe8,0xff,0xff,0xff,0xda,0xda,0xda,0x87,0x87,0x87,0xff,0xff,0xff,0x0b,0xff,0xff, |
| 1115 | 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xd5,0xd5,0xd5,0x87,0x87,0x87,0xe8,0xe8,0xe8, |
| 1116 | 0xff,0xff,0xff,0xda,0xda,0xda,0x87,0x87,0x87,0xe8,0xe8,0xe8,0xff,0xff,0xff,0xda, |
| 1117 | 0xda,0xda,0xff,0xff,0xff,0x0b,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff, |
| 1118 | 0xff,0xff,0xd7,0xd7,0xd7,0x87,0x87,0x87,0xe8,0xe8,0xe8,0xff,0xff,0xff,0xda,0xda, |
| 1119 | 0xda,0x87,0x87,0x87,0xe8,0xe8,0xe8,0xff,0xff,0xff,0xff,0xff,0xff,0x0b,0xff,0xff, |
| 1120 | 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xd7,0xd7,0xd7, |
| 1121 | 0x87,0x87,0x87,0xe8,0xe8,0xe8,0xff,0xff,0xff,0xda,0xda,0xda,0x87,0x87,0x87,0xe8, |
| 1122 | 0xe8,0xe8,0xff,0xff,0xff,0x0b,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff, |
| 1123 | 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xd7,0xd7,0xd7,0x87,0x87,0x87,0xe8,0xe8, |
| 1124 | 0xe8,0xff,0xff,0xff,0xdc,0xdc,0xdc,0x87,0x87,0x87,0xff,0xff,0xff,0x0b,0xff,0xff, |
| 1125 | 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff, |
| 1126 | 0xff,0xff,0xff,0xd9,0xd9,0xd9,0x87,0x87,0x87,0xe8,0xe8,0xe8,0xff,0xff,0xff,0xdc, |
| 1127 | 0xdc,0xdc,0xff,0xff,0xff,0x0b,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff, |
| 1128 | 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xdb,0xdb, |
| 1129 | 0xdb,0x87,0x87,0x87,0xe8,0xe8,0xe8,0xff,0xff,0xff,0xff,0xff,0xff,0x0b,0xff,0xff, |
| 1130 | 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff, |
| 1131 | 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xdb,0xdb,0xdb,0x87,0x87,0x87,0xe8, |
| 1132 | 0xe8,0xe8,0xff,0xff,0xff,0x0b,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff, |
| 1133 | 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff, |
| 1134 | 0xff,0xff,0xff,0xff,0xdc,0xdc,0xdc,0x87,0x87,0x87,0xff,0xff,0xff,0x0b,0xff,0xff, |
| 1135 | 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff, |
| 1136 | 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xdc, |
| 1137 | 0xdc,0xdc,0xff,0xff,0xff,0x0b,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff, |
| 1138 | 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff, |
| 1139 | 0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0xff,0x0b |
| 1140 | }; |
| 1141 | |
| 1142 | static void QZ_DrawResizeIcon (_THIS) |
| 1143 | { |
| 1144 | /* Check if we should draw the resize icon */ |
| 1145 | if (SDL_VideoSurface->flags & SDL_RESIZABLE) { |
| 1146 | |
| 1147 | SDL_Rect icon_rect; |
| 1148 | |
| 1149 | /* Create the icon image */ |
| 1150 | if (resize_icon == NULL) { |
| 1151 | |
| 1152 | SDL_RWops *rw; |
| 1153 | SDL_Surface *tmp; |
| 1154 | |
| 1155 | rw = SDL_RWFromConstMem (QZ_ResizeIcon, sizeof(QZ_ResizeIcon)); |
| 1156 | tmp = SDL_LoadBMP_RW (rw, SDL_TRUE); |
| 1157 | |
| 1158 | resize_icon = SDL_ConvertSurface (tmp, SDL_VideoSurface->format, SDL_SRCCOLORKEY); |
| 1159 | SDL_SetColorKey (resize_icon, SDL_SRCCOLORKEY, 0xFFFFFF); |
| 1160 | |
| 1161 | SDL_FreeSurface (tmp); |
| 1162 | } |
| 1163 | |
| 1164 | icon_rect.x = SDL_VideoSurface->w - 13; |
| 1165 | icon_rect.y = SDL_VideoSurface->h - 13; |
| 1166 | icon_rect.w = 13; |
| 1167 | icon_rect.h = 13; |
| 1168 | |
| 1169 | SDL_BlitSurface (resize_icon, NULL, SDL_VideoSurface, &icon_rect); |
| 1170 | } |
| 1171 | } |
| 1172 | |
| 1173 | static void QZ_UpdateRects (_THIS, int numRects, SDL_Rect *rects) |
| 1174 | { |
| 1175 | if (SDL_VideoSurface->flags & SDL_OPENGLBLIT) { |
| 1176 | QZ_GL_SwapBuffers (this); |
| 1177 | } |
| 1178 | else if ( [ qz_window isMiniaturized ] ) { |
| 1179 | |
| 1180 | /* Do nothing if miniaturized */ |
| 1181 | } |
| 1182 | |
| 1183 | else { |
| 1184 | CGContextRef cgc = (CGContextRef) |
| 1185 | [[NSGraphicsContext graphicsContextWithWindow: qz_window] |
| 1186 | graphicsPort]; |
| 1187 | QZ_DrawResizeIcon (this); |
| 1188 | CGContextFlush (cg_context); |
| 1189 | CGImageRef image = CGBitmapContextCreateImage (cg_context); |
| 1190 | CGRect rectangle = CGRectMake (0,0,[window_view frame].size.width,[window_view frame].size.height); |
| 1191 | |
| 1192 | CGContextDrawImage (cgc, rectangle, image); |
| 1193 | CGImageRelease(image); |
| 1194 | CGContextFlush (cgc); |
| 1195 | CGContextRelease (cgc); |
| 1196 | } |
| 1197 | } |
| 1198 | |
| 1199 | static void QZ_VideoQuit (_THIS) |
| 1200 | { |
| 1201 | CGDisplayFadeReservationToken fade_token = kCGDisplayFadeReservationInvalidToken; |
| 1202 | |
| 1203 | /* Restore gamma settings */ |
| 1204 | CGDisplayRestoreColorSyncSettings (); |
| 1205 | |
| 1206 | /* Ensure the cursor will be visible and working when we quit */ |
| 1207 | CGDisplayShowCursor (display_id); |
| 1208 | CGAssociateMouseAndMouseCursorPosition (1); |
| 1209 | |
| 1210 | if (mode_flags & SDL_FULLSCREEN) { |
| 1211 | /* Fade to black to hide resolution-switching flicker (and garbage |
| 1212 | that is displayed by a destroyed OpenGL context, if applicable) */ |
| 1213 | if (CGAcquireDisplayFadeReservation (5, &fade_token) == kCGErrorSuccess) { |
| 1214 | CGDisplayFade (fade_token, 0.3, kCGDisplayBlendNormal, kCGDisplayBlendSolidColor, 0.0, 0.0, 0.0, TRUE); |
| 1215 | } |
| 1216 | QZ_UnsetVideoMode (this, TRUE); |
| 1217 | if (fade_token != kCGDisplayFadeReservationInvalidToken) { |
| 1218 | CGDisplayFade (fade_token, 0.5, kCGDisplayBlendSolidColor, kCGDisplayBlendNormal, 0.0, 0.0, 0.0, FALSE); |
| 1219 | CGReleaseDisplayFadeReservation (fade_token); |
| 1220 | } |
| 1221 | } |
| 1222 | else |
| 1223 | QZ_UnsetVideoMode (this, TRUE); |
| 1224 | |
| 1225 | CGPaletteRelease (palette); |
| 1226 | |
| 1227 | if (opengl_library) { |
| 1228 | SDL_UnloadObject(opengl_library); |
| 1229 | opengl_library = NULL; |
| 1230 | } |
| 1231 | this->gl_config.driver_loaded = 0; |
| 1232 | |
| 1233 | if (field_edit) { |
| 1234 | [field_edit release]; |
| 1235 | field_edit = NULL; |
| 1236 | } |
| 1237 | } |
| 1238 | |
| 1239 | #if 0 /* Not used (apparently, it's really slow) */ |
| 1240 | static int QZ_FillHWRect (_THIS, SDL_Surface *dst, SDL_Rect *rect, Uint32 color) |
| 1241 | { |
| 1242 | CGSDisplayHWFill (display_id, rect->x, rect->y, rect->w, rect->h, color); |
| 1243 | |
| 1244 | return 0; |
| 1245 | } |
| 1246 | #endif |
| 1247 | |
| 1248 | static int QZ_LockHWSurface(_THIS, SDL_Surface *surface) |
| 1249 | { |
| 1250 | return 1; |
| 1251 | } |
| 1252 | |
| 1253 | static void QZ_UnlockHWSurface(_THIS, SDL_Surface *surface) |
| 1254 | { |
| 1255 | } |
| 1256 | |
| 1257 | static int QZ_AllocHWSurface(_THIS, SDL_Surface *surface) |
| 1258 | { |
| 1259 | return(-1); /* unallowed (no HWSURFACE support here). */ |
| 1260 | } |
| 1261 | |
| 1262 | static void QZ_FreeHWSurface (_THIS, SDL_Surface *surface) |
| 1263 | { |
| 1264 | } |
| 1265 | |
| 1266 | /* |
| 1267 | int QZ_FlipHWSurface (_THIS, SDL_Surface *surface) { |
| 1268 | return 0; |
| 1269 | } |
| 1270 | */ |
| 1271 | |
| 1272 | /* Gamma functions */ |
| 1273 | int QZ_SetGamma (_THIS, float red, float green, float blue) |
| 1274 | { |
| 1275 | const CGGammaValue min = 0.0, max = 1.0; |
| 1276 | |
| 1277 | if (red == 0.0) |
| 1278 | red = FLT_MAX; |
| 1279 | else |
| 1280 | red = 1.0 / red; |
| 1281 | |
| 1282 | if (green == 0.0) |
| 1283 | green = FLT_MAX; |
| 1284 | else |
| 1285 | green = 1.0 / green; |
| 1286 | |
| 1287 | if (blue == 0.0) |
| 1288 | blue = FLT_MAX; |
| 1289 | else |
| 1290 | blue = 1.0 / blue; |
| 1291 | |
| 1292 | if ( CGDisplayNoErr == CGSetDisplayTransferByFormula |
| 1293 | (display_id, min, max, red, min, max, green, min, max, blue) ) { |
| 1294 | |
| 1295 | return 0; |
| 1296 | } |
| 1297 | else { |
| 1298 | |
| 1299 | return -1; |
| 1300 | } |
| 1301 | } |
| 1302 | |
| 1303 | int QZ_GetGamma (_THIS, float *red, float *green, float *blue) |
| 1304 | { |
| 1305 | CGGammaValue dummy; |
| 1306 | if ( CGDisplayNoErr == CGGetDisplayTransferByFormula |
| 1307 | (display_id, &dummy, &dummy, red, |
| 1308 | &dummy, &dummy, green, &dummy, &dummy, blue) ) |
| 1309 | |
| 1310 | return 0; |
| 1311 | else |
| 1312 | return -1; |
| 1313 | } |
| 1314 | |
| 1315 | int QZ_SetGammaRamp (_THIS, Uint16 *ramp) |
| 1316 | { |
| 1317 | const CGTableCount tableSize = 255; |
| 1318 | CGGammaValue redTable[tableSize]; |
| 1319 | CGGammaValue greenTable[tableSize]; |
| 1320 | CGGammaValue blueTable[tableSize]; |
| 1321 | |
| 1322 | int i; |
| 1323 | |
| 1324 | /* Extract gamma values into separate tables, convert to floats between 0.0 and 1.0 */ |
| 1325 | for (i = 0; i < 256; i++) |
| 1326 | redTable[i % 256] = ramp[i] / 65535.0; |
| 1327 | |
| 1328 | for (i=256; i < 512; i++) |
| 1329 | greenTable[i % 256] = ramp[i] / 65535.0; |
| 1330 | |
| 1331 | for (i=512; i < 768; i++) |
| 1332 | blueTable[i % 256] = ramp[i] / 65535.0; |
| 1333 | |
| 1334 | if ( CGDisplayNoErr == CGSetDisplayTransferByTable |
| 1335 | (display_id, tableSize, redTable, greenTable, blueTable) ) |
| 1336 | return 0; |
| 1337 | else |
| 1338 | return -1; |
| 1339 | } |
| 1340 | |
| 1341 | int QZ_GetGammaRamp (_THIS, Uint16 *ramp) |
| 1342 | { |
| 1343 | const CGTableCount tableSize = 255; |
| 1344 | CGGammaValue redTable[tableSize]; |
| 1345 | CGGammaValue greenTable[tableSize]; |
| 1346 | CGGammaValue blueTable[tableSize]; |
| 1347 | CGTableCount actual; |
| 1348 | int i; |
| 1349 | |
| 1350 | if ( CGDisplayNoErr != CGGetDisplayTransferByTable |
| 1351 | (display_id, tableSize, redTable, greenTable, blueTable, &actual) || |
| 1352 | actual != tableSize) |
| 1353 | |
| 1354 | return -1; |
| 1355 | |
| 1356 | /* Pack tables into one array, with values from 0 to 65535 */ |
| 1357 | for (i = 0; i < 256; i++) |
| 1358 | ramp[i] = redTable[i % 256] * 65535.0; |
| 1359 | |
| 1360 | for (i=256; i < 512; i++) |
| 1361 | ramp[i] = greenTable[i % 256] * 65535.0; |
| 1362 | |
| 1363 | for (i=512; i < 768; i++) |
| 1364 | ramp[i] = blueTable[i % 256] * 65535.0; |
| 1365 | |
| 1366 | return 0; |
| 1367 | } |
| 1368 | |